Cushioning device for footwear



FIG. 1 is a front top perspective view of a cushioning device for footwear showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines immediately adjacent to the shaded area define the bounds of the claimed design and form no part thereof. The broken lines depicting the remainder of the cushioning device for footwear form no part of the claimed design. 

CLAIM The ornamental design for a cushioning device for footwear, as shown and described. 